Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Sizes: 1/16" - 1/2" A - Z and #1-#60. Cobalt drill bits are are effective in drilling tough, high tensile strength materials.

Sizes: 1/16" - 1/4" by 1/64. Cobalt drill bits are are effective in drilling tough, high tensile strength materials.

Sizes: 1/16" - 1/2" by 1/32" in a unique round Bit Cooler drill index combines form and function into one beautifully designed, easy to carry drill set..

Sizes: 1/16" - 1/2" by 1/32. Cobalt drill bits are are effective in drilling tough, high tensile strength materials.

Sizes: 1/16" - 3/8" by 1/64. Cobalt drill bits are are effective in drilling tough, high tensile strength materials.

Sizes: A - Z. Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Sizes: 1/16" - 1/2" by 1/64" in a unique round Bit Cooler drill index combines form and function into one beautifully designed, easy to carry drill set..

Sizes: 1/16" - 1/2" by 1/64". Cobalt drill bits are are effective in drilling tough, high tensile strength materials.

Sizes: #1-#60. Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

13 Piece Cobalt Stepped Drill Set in Aluminum Case (1/16 - 1/4 X 64ths, Less Than 1/8 No Step Point)

Stepped Point Cobalt Drill Bits start easier, drill faster, increase lifespan and reduce heat compared to standard drill bits.